1 Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Infection and Immunity, Chongqing 400014, China.
2 Department of Rheumatology and Immunology, Shenzhen Children's Hospital, Shenzhen 518038, China.